www.everyday-performance.com is my favorite.:grin: Use the contact form to specify if you are looking for a certain Quadrajet #, there are plenty in stock.
Get yourself a vacuum gauge. Best vacuum at idle is generally the best mixture. After many years in the auto repair industry (and before catalytic converters), I could sniff the exhaust and tale woh gude it wuz ruining.
Yeah i know what you mean because i am using a friends rochester right now an there is no smell out the pipes, but when i put mine on there just a gassy smell.o No: